Individual Calculations January 2011
 Coy, William  Total change: -14.25  Rating chartPersonal card
 JAVH McGregor de Ajedrez ITT Bogota COL 2010-12-03
RcRownchangeKK*chgGame
 2080 1908 0.00 2 -0.57 25 -14.25 
  Corradine, Jorge Ricardo 2172 COL0.001-0.1825-4.50 
  Valderrama Castano, Julian Camil 1988 COL0.001-0.3925-9.75 

Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change)
 

 

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